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130450140 = 22325724723
BaseRepresentation
bin1111100011010…
…00001011011100
3100002110112221200
413301220023130
5231343401030
620535555500
73142544052
oct761501334
9302415850
10130450140
11676aa137
123782bb90
1321045642
141347a1d2
15b6bbd60
hex7c682dc

130450140 has 36 divisors (see below), whose sum is σ = 395699304. Its totient is φ = 34786656.

The previous prime is 130450127. The next prime is 130450157. The reversal of 130450140 is 41054031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362182 + ... + 362541.

Almost surely, 2130450140 is an apocalyptic number.

130450140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130450140 is an abundant number, since it is smaller than the sum of its proper divisors (265249164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130450140 is a wasteful number, since it uses less digits than its factorization.

130450140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724738 (or 724733 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 130450140 is about 11421.4771373934. The cubic root of 130450140 is about 507.1637252350.

The spelling of 130450140 in words is "one hundred thirty million, four hundred fifty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 724723 1449446 2174169 2898892 3623615 4348338 6522507 7247230 8696676 10870845 13045014 14494460 21741690 26090028 32612535 43483380 65225070 130450140